Date: 18 Oct 2001 04:59:45 -0700 From: johngnopsaml-romtec.com (John G) Subject: Re: 9000 Direct Ignition Cartridge
johsnopsamanytime.co.uk (Johannes H Andersen) wrote in message news:<1ec6845d.0110172155.6c013d59nopsaming.google.com>... > "Grunff" <runffnopsamo.co.uk> wrote in message news:<jPmz7.13306$nT1.1861320nopsam6-win.server.ntlworld.com>... > > "Johannes H Andersen" <johsnopsamanytime.co.uk> wrote in message > > news:1ec6845d.0110171156.1ebe8b03nopsaming.google.com... > > > johngnopsaml-romtec.com (John G) wrote in message > news:<2acc5702.0110170418.100753efnopsaming.google.com>... > > > > I just thought I'd jot down my experience of my new Saab 9000 CDE 2.3 > > > > (1992). Not long after I bought the car it started to hesitate at low > > > > revs and low load. You could knock it down a gear and it would > > > > happily drive round above 2000rpm. As described by others the problem > > > > has slowly got worse and I have now bought a new (second-hand) DI > > > > cartridge from www.parts-asap.co.uk (for those in the UK). > > > > > > > > Having spoken to Parts ASAP, apparently the problem with these units > > > > is that each coil is oil filled for cooling and when the seal goes and > > > > the oil leak out, so does its ability to cool and the coils start to > > > > loose performance. I guess an oil leak around the spark plugs is a > > > > good indicator of this problem. > > > > > > > > > > When the DI unit failed on my 9000 CSE, I took the unit apart. The coils > > > are emerged into some black tar-like solidified substance for insulation, > > > but there was no traces of oil. Oil in the spark plug holes indicates > > > a head gasket problem. > > > > <snip> > > > > > > All the units I've ever seen had oil in the coils. What make was your DI > > with the tar stuff? > > > Saab. Originally fitted to my 1993 9000 CSE. > > > Also, how exactly does oil in the spark plug holes indicate a head gasket > > problem? The holes are at the top of the head, and have little to do with > > the head gasket. > > > > Oops, oil may come through the head cover gasket. > > Johannes I didn't realise I'd started such an arguement! Aparently there are two types of cartridge. The older type is oil filled and the later type, I believe does have something more solid inside it. I think if Johannes' Saab is a 1993 then he may have this later design. Regards JohnG
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